Gas producer fuel support



Dec. 5, 1933. P. A. J. couslN GAS PRODUCER FUEL SUPPORT Filed Oct. 23,1928 3 Sheets-Sheet l l er Dec. 5, 1933. P. A. J. couslN GAS PRODUCERFUEL SUPPORT I5 Sheets-Sheet 2 Filed Oct. 23, 1928 @MMG Dec. 5, 1933. PA, 1 CQU$|N 1,938,518

GAS PRODUCER FUEL SUPPORT Filed Oct. 23, 192B 3 Sheets-Sheet 3 KI'. Je

Patented Dec. 5, 1933 1,938,518 GAS PRODUCER FUEL S'EIPPORT Paul AchilleJoseph France, assigner to Etablissements Lille, Ernest Cousin, Loos lesArnoult, Socit Anonyme, Paris, France Application October 23,

1928, 'serial No. 314,503,

and in France November 5, 1927 1 Claim.

The present invention relates to improvements in gas producers having anash pit provided with a water seal and adapted for manual or mechanicalcleaning and it has for object gas producer of this class which will beof a siinplied construction and will have an imoved efficiency. The @asproducer fuel support in accordance with the invention comprises a waterchamber disposed below the grate, an air blast device hav- 'lngsubmerged orices being located within said chamber, said fuel supporthaving orifices for the exit of the mixture of air, steam and emulsihedwater which is forced through the gas producer.

Further characteristics of the invention will be specied in thefollowing description, with reference to the appended drawings, whichare given by way of example.

Fig. 1 is a vertical sectional view of a gas producer with revolvingfuel support for meohaniH cal cleaning provided with the improvementsaccording to the invention.

Fig. 2 is a View similar to Fig. l showing a modiiication.

Fig. 3 is a partial sectional view, on a larger scale, of the waterinlet shown in Fig. 1 or 3.

Fig. 4 is a vertical sectional View of another modification.

In Figs. l, 2 and 4, A is the lower portion of the gas producer body,and a is an air blast admission of known type, compri-sing a centraltube d supplying air below a hollow cap e; tube d is secured to thedevice formed by the grate b and the sole plate c of the ash pan, andits axis coincides with the axis of the gas producer; Said tube isextended below the sole plate c of the ash pan by an air supply tube f,provided with a Water seal o. The sole plate c of the ash pit may beflat or may have the shape of a surface of revolution.

the present example, the space between the b ower a, the grate b and thesole plate c of the b pan forms a water chamber p which is thus tedbelow the grate. The upper part of the is above the water level inchamber p, the lower eel-fe m the hollow cap e is orsed in the water ofchamber p, thus forming submerged air inlets li along the wholeperiphery of cap e. The grate b is provided with outlet apertures nabove the level of the water in the ash-pan.

Water is supplied to chamber .p from the ash pan, through orices q(Figs. 1 and 4) formed in the walls of grate b at a level below theWatSr (Cl. ll8--66) comprising an opening s adapted to allow theinsertion of the arm, and normally closed by a plate t and an oppositelydisposed plate w.

Fig. 2 shows the same arrangement with another form of grate.

4 shows a modification of the arrangement for the supply of water tochamber p; the water is herein admitted into chamber p through pipes 9';the ends of said pipe which open at the outside of chamber p areprovided with strainers preventing the sludge formed by thefinely-divided ash from clogging up said pipes. The said pipes j areprovided at the lower part with an emptying plug k.

The operation of my improved gas producer is as follows:

Water chamber p is supplied with more or less hot water from the ash panand said water is further heated at the expense of all the heat radiatedfrom the grate. The air blast passes upwards through the tube d anddownwards in the cap c, through the inlets h and through the body of hotwater in chamber p and is moistened by entrained water particles, andthey mixture or emulsion of air and water will impinge upon the upperwalls of the grate b which are highly heated and act as vaporizingsurfaces; the mixture flowing through the orifices n of the grate,instead of being an emulsied mixture of air and water, as before, is anemulsied mixture of air, steam and water. The steam already formed belowthe grate will be superheated and will cause the evaporation of theparticles of water which have not yet been evaporated and are impelledby the current.

In the devices above described the Water which is supplied to the waterchamber beneath the grate is taken from the ash pit, but I may obviouslyprovide a separate Water supply. The gas producer may also be providedwith a grate of the type shown in Fig. 1, but having submerged orificesas specified in my copending patent application No. 314,502, filedOctober 23, 1928.

The apparatus herein described offers numerous advantages and chieflythe following: I dispense with the use of a special boiler for the gasproducer, or of special piping if a central steam plant is available: Ialso prevent the tegration of the slag. The loss' of heat due to'radiation and to the presence off unconsumedv material and nely-dividedparticles is also much reduced. It has been ascertained by' experi?ments that the chemical compositionvof the producer gas is improved,that the output is made perfectly uniform, that the caloric value of thegas is increased, and that the amount ofiundecomposed steam is aminimum; furthermore, a single adjustment of the operation is required.

Obviously, the said invention is not limited to the details ofconstruction herein described and represented, which are given solely byway of example.

Having now described by invention what I claim as. new and desirey tosecure by. Letters Patent is:

A gas producer fuel support comprisingr a Water sealed ash-pan, a closedhollow grate structure in said ash-pan provided with at least oneaperture which is situated above the level of the Water inthe ash-panand through which air. and steamvare adapted to pass from the interiorof said grate into said fuel, at least one pipe opening at one end atthe lower part of and Within said grate and at the other end intosaidasli-pan, below the Water level therein, and an air blast admissionconduit opening in said hollowA grate under the Water level in saidhollow grate.

PAUL ACHILLE JOSEPH COUSIN.

